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30 package com.jcabi.dynamo;
31
32 import com.amazonaws.services.dynamodbv2.model.AttributeValue;
33 import com.amazonaws.services.dynamodbv2.model.ExpectedAttributeValue;
34 import com.jcabi.immutable.ArrayMap;
35 import java.util.Collections;
36 import java.util.Map;
37 import org.hamcrest.MatcherAssert;
38 import org.hamcrest.Matchers;
39 import org.junit.jupiter.api.Test;
40
41
42
43
44
45 @SuppressWarnings("PMD.UseConcurrentHashMap")
46 final class AttributesTest {
47
48 @Test
49 void workAsMapOfAttributes() {
50 final String attr = "id";
51 final AttributeValue value = new AttributeValue("some text value");
52 final Map<String, AttributeValue> attrs = new Attributes()
53 .with(attr, value);
54 MatcherAssert.assertThat(attrs.keySet(), Matchers.hasSize(1));
55 MatcherAssert.assertThat(attrs, Matchers.hasEntry(attr, value));
56 MatcherAssert.assertThat(
57 new Attributes(attrs),
58 Matchers.hasEntry(attr, value)
59 );
60 }
61
62 @Test
63 void buildsExpectedKeys() {
64 final String attr = "attr-13";
65 final String value = "some value \u20ac";
66 MatcherAssert.assertThat(
67 new Attributes().with(attr, value).asKeys(),
68 Matchers.hasEntry(
69 attr,
70 new ExpectedAttributeValue(new AttributeValue(value))
71 )
72 );
73 }
74
75 @Test
76 void filtersOutUnnecessaryKeys() {
77 MatcherAssert.assertThat(
78 new Attributes()
79 .with("first", "test-1")
80 .with("second", "test-2")
81 .only(Collections.singletonList("never"))
82 .keySet(),
83 Matchers.empty()
84 );
85 }
86
87 @Test
88 void caseSensitive() {
89 final String first = "Alpha";
90 final String second = "AlPha";
91 final String third = "Beta";
92 MatcherAssert.assertThat(
93 new Attributes().with(
94 new ArrayMap<String, AttributeValue>()
95 .with("Gamma", new AttributeValue(""))
96 .with("gAMma", new AttributeValue(""))
97 ).keySet(),
98 Matchers.hasSize(2)
99 );
100 MatcherAssert.assertThat(
101 new Attributes()
102 .with(first, "val-1")
103 .with(second, "val-2"),
104 Matchers.allOf(
105 Matchers.hasKey(first),
106 Matchers.hasKey(second)
107 )
108 );
109 MatcherAssert.assertThat(
110 new Attributes()
111 .with(third, "some text to use")
112 .only(Collections.singletonList(third)),
113 Matchers.hasKey(third)
114 );
115 }
116
117 }